 The earth is a big place to keep clean. With Litterati -- an app for users to identify, collect and geotag the world's litter -- Jeff Kirschner has created a community that's crowdsource-cleaning the planet. After tracking trash in more than 100 countries, Kirschner hopes to use the data he's collected to stop litter before it reaches the ground. Watch »  To honor and celebrate young lives cut short, Kathy Hull founded the first freestanding pediatric palliative care facility, or hospice, in the United States, the George Mark Children's House. Its mission: to give terminally ill children and their families a peaceful place to say goodbye. She shares stories brimming with wisdom, joy, imagination and heartbreaking loss. Watch » |  What if you could take a smell selfie -- a smelfie? What if you had a lipstick that caused plants to grow where you kiss? Ani Liu explores the intersection of technology and sensory perception, and her work is wedged somewhere between science, design and art. In this swift, smart talk, she shares dreams, wonderings and experiments, asking: What happens when science fiction becomes science fact? Watch »  What's haunting Carrie Poppy? Is it ghosts ... or something worse? In this talk, the investigative journalist narrates her encounter with a spooky feeling you'll want to warn your friends about, and explains why we need science to deal with paranormal activity. Watch » | |
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